/* WechselKlar — shared styles */
:root {
  --paper: #f7f8f6;
  --card: #ffffff;
  --ink: #1c2b36;
  --muted: #5c6b76;
  --blue: #0f5382;
  --blue-deep: #0b3f64;
  --amber: #e9a13b;
  --amber-deep: #cf8a26;
  --green: #2f7d5b;
  --border: #dde3e0;
  --radius: 10px;
  --maxw: 1040px;
  --textw: 720px;
  --font-display: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.06rem;
  line-height: 1.65;
}

a { color: var(--blue); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--blue-deep); }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; border-radius: 4px; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.textwrap { max-width: var(--textw); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 50;
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 62px; gap: 16px; flex-wrap: wrap; padding-top: 8px; padding-bottom: 8px;
}
.brand {
  font-family: var(--font-display);
  font-weight: 700; font-size: 1.25rem; letter-spacing: -0.01em;
  color: var(--ink); text-decoration: none; display: inline-flex; align-items: baseline; gap: 2px;
}
.brand .dot { color: var(--amber); }
.main-nav { display: flex; gap: 18px; flex-wrap: wrap; }
.main-nav a { color: var(--ink); text-decoration: none; font-weight: 600; font-size: 0.95rem; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--blue); }

/* Hero */
.hero { padding: 56px 0 40px; }
.hero .eyebrow {
  font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--green); margin: 0 0 12px;
}
.hero h1 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.9rem, 4.5vw, 3rem); line-height: 1.12; letter-spacing: -0.02em; margin: 0 0 16px;
  max-width: 21ch;
}
.hero p.lede { font-size: 1.15rem; color: var(--muted); max-width: 56ch; margin: 0 0 26px; }

/* Speed rail — signature element */
.rail { margin: 34px 0 8px; }
.rail-track {
  position: relative; height: 10px; border-radius: 999px;
  background: linear-gradient(90deg, var(--blue) 0%, var(--green) 100%);
}
.rail-marker {
  position: absolute; top: 50%; transform: translate(-50%, -50%);
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--amber); border: 3px solid var(--card);
  box-shadow: 0 1px 4px rgba(28,43,54,0.35);
  transition: left 600ms cubic-bezier(.2,.8,.2,1);
}
.rail-ticks {
  display: flex; justify-content: space-between; margin-top: 10px;
  font-family: var(--font-mono); font-size: 0.78rem; color: var(--muted);
}
.rail-ticks span b { color: var(--ink); font-weight: 600; }

/* Buttons */
.btn {
  display: inline-block; border: 0; cursor: pointer; text-decoration: none;
  font-family: var(--font-body); font-weight: 700; font-size: 1rem;
  padding: 13px 22px; border-radius: var(--radius);
}
.btn-primary { background: var(--amber); color: #23190a; }
.btn-primary:hover { background: var(--amber-deep); color: #23190a; }
.btn-secondary { background: transparent; color: var(--blue); border: 2px solid var(--blue); padding: 11px 20px; }
.btn-secondary:hover { background: var(--blue); color: #fff; }
.btn-row { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; margin: 26px 0; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; display: flex; flex-direction: column; gap: 8px;
}
.card h3 { font-family: var(--font-display); font-size: 1.15rem; margin: 0; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--muted); font-size: 0.98rem; }
.card a.more { margin-top: auto; font-weight: 700; text-decoration: none; }
.card a.more::after { content: " →"; }

/* Sections */
section { padding: 34px 0; }
section h2 {
  font-family: var(--font-display); font-size: clamp(1.4rem, 3vw, 1.9rem);
  letter-spacing: -0.015em; line-height: 1.2; margin: 0 0 14px;
}
.section-alt { background: var(--card); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

/* Article */
.article { padding: 46px 0 60px; }
.article h1 {
  font-family: var(--font-display); font-size: clamp(1.7rem, 4vw, 2.4rem);
  line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 10px;
}
.article .meta { font-family: var(--font-mono); font-size: 0.8rem; color: var(--muted); margin-bottom: 26px; }
.article h2 { font-family: var(--font-display); font-size: 1.35rem; margin: 34px 0 10px; letter-spacing: -0.01em; }
.article ul, .article ol { padding-left: 22px; }
.article li { margin: 6px 0; }
.callout {
  background: var(--card); border-left: 4px solid var(--green);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 14px 18px; margin: 22px 0; color: var(--ink);
}
.callout.amber { border-left-color: var(--amber); }

/* Calculator */
.calc {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; margin: 26px 0;
}
.calc fieldset { border: 0; margin: 0 0 20px; padding: 0; }
.calc legend {
  font-weight: 700; font-family: var(--font-display); font-size: 1.05rem;
  margin-bottom: 10px; padding: 0;
}
.opt-row { display: flex; gap: 10px; flex-wrap: wrap; }
.opt {
  position: relative; cursor: pointer;
}
.opt input { position: absolute; opacity: 0; pointer-events: none; }
.opt span {
  display: inline-block; padding: 9px 15px; border-radius: 999px;
  border: 2px solid var(--border); background: var(--paper);
  font-weight: 600; font-size: 0.95rem; color: var(--ink);
}
.opt input:checked + span { border-color: var(--blue); background: var(--blue); color: #fff; }
.opt input:focus-visible + span { outline: 3px solid var(--amber); outline-offset: 2px; }

.calc-result {
  margin-top: 6px; padding: 24px; border-radius: var(--radius);
  background: var(--paper); border: 1px dashed var(--border); text-align: center;
}
.calc-result .mbit {
  font-family: var(--font-mono); font-weight: 600;
  font-size: clamp(2.4rem, 7vw, 3.6rem); color: var(--blue); line-height: 1;
}
.calc-result .mbit small { font-size: 0.35em; color: var(--muted); font-weight: 500; }
.calc-result .why { color: var(--muted); font-size: 0.98rem; max-width: 52ch; margin: 10px auto 18px; }
.result-kicker {
  margin: 0 0 8px; font-family: var(--font-mono); font-size: 0.78rem;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--green);
}
.action-result h2 { margin: 0 0 8px; font-size: 1.45rem; }

/* Disclosure + footer */
.disclosure {
  font-size: 0.88rem; color: var(--muted);
  border-top: 1px solid var(--border); margin-top: 8px; padding: 14px 0 0;
}
.site-footer {
  margin-top: 56px; background: var(--ink); color: #cdd6dc;
  padding: 34px 0 40px; font-size: 0.93rem;
}
.site-footer a { color: #ffffff; }
.site-footer .cols { display: flex; gap: 40px; flex-wrap: wrap; justify-content: space-between; }
.site-footer .brand { color: #fff; }
.site-footer p { max-width: 60ch; }

/* Consent banner */
.consent {
  position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 100;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: 0 8px 30px rgba(28,43,54,0.18);
  padding: 18px 20px; max-width: 560px; margin: 0 auto;
}
.consent p { margin: 0 0 12px; font-size: 0.92rem; }
.consent .btn { padding: 9px 16px; font-size: 0.92rem; }
.consent[hidden] { display: none; }
.consent-settings {
  position: fixed; left: 12px; bottom: 12px; z-index: 90;
  border: 1px solid var(--border); border-radius: 999px;
  background: var(--card); color: var(--muted); padding: 7px 11px;
  box-shadow: 0 4px 16px rgba(28,43,54,0.12); font: inherit; font-size: 0.76rem;
  cursor: pointer;
}
.consent-settings:hover { color: var(--blue); border-color: var(--blue); }
.consent-settings[hidden] { display: none; }

/* Tables */
table { border-collapse: collapse; width: 100%; margin: 18px 0; background: var(--card); }
th, td { border: 1px solid var(--border); padding: 10px 12px; text-align: left; font-size: 0.97rem; }
th { font-family: var(--font-display); font-size: 0.95rem; }

@media (max-width: 640px) {
  .hero { padding: 36px 0 28px; }
  .rail-ticks span:nth-child(even) { display: none; }
}

/* Campaign lander */
.lander-header .wrap { justify-content: center; }
.lander main.article { padding-top: 28px; }
.lander .trust {
  display: flex; gap: 18px; flex-wrap: wrap; justify-content: center;
  font-size: 0.92rem; color: var(--muted); margin: 14px 0 6px;
}
.lander .trust span::before { content: "✓ "; color: var(--green); font-weight: 700; }
.lander .calc { margin-top: 18px; }
.lander h1 { text-align: center; max-width: 24ch; margin-left: auto; margin-right: auto; }
.lander .lede-center { text-align: center; color: var(--muted); max-width: 54ch; margin: 0 auto; }
.lander .site-footer { margin-top: 30px; padding: 22px 0 26px; font-size: 0.85rem; }